What Action Can Obama Take on Climate Change Before Trump Replaces Him in the Oval Office?

"The clock is ticking on humanity’s ability to tackle the climate crisis," says Asad Rehman, spokesperson for Friends of the Earth International, who calls on President Obama to "raise the bar on climate action" before he leaves office. "Democracy Now" speaks with Daniel Kammen, science envoy for the State Department and professor of energy at University of California at Berkeley.